The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Rensselaer you will be able to figure out when it's a good idea to plant crossandra.

Planting Calendar for Crossandra

Frost tolerance for crossandra:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since crossandra do not do well in cold weather it is important to wait until after the last frost before you can plant them.

The earliest that you can plant crossandra in Rensselaer is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant crossandra and expect a good harvest is probably August. Any later than that and your crossandra may not have a chance to really do well. You can get started a few weeks earlier by starting your crossandra indoors.

Last Frost Date

The average date of last frost is April 15 in Rensselaer. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Rensselaer is an average and the actual date of last frost changes from year to year. Half of the time in Rensselaer you get surprised by a frost after April 15 so make sure that you are ready to cover your crossandra if you have a late frost.

USDA Zone Info for Rensselaer

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Rensselaer

You may be interested in your other planting guides for Rensselaer.